I am born and raised in London, and also spent some time living in Wales.
The pun is well understood, and obviously referring to the fungus as a tongue in cheek sort of humour. I find it more difficult trying to figure out how anyone here would be confused by that.
Haha the same thing happened to me, at Chicago O’Hare airport.
Before they searched me the man said I had a “suspicious package” in my “groin area”. I’ll never forget the man’s face as he grabbed a handful of dick. Eye contact as well, it was so romantic (probably not for him, but I still had a semi so…)
Helicopter dick patterns. Richard Code, if you will.
It’s the only way.